Geometry of screw compressor rotors and their tools |
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| Authors: | Nikola STOSIC Ian K SMITH Ahmed KOVACEVIC Elvedin MUJIC |
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| Institution: | Centre for Positive Displacement Compressors, City University London, London EC1 V OHB, UK |
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| Abstract: | This paper presents a method of general geometrical definitions of screw machine rotors and their manufacturing tools. It
describes the details of lobe shape specification, and focuses on a new lobe profile, which yields a larger cross-sectional
area and shorter sealing lines resulting in higher delivery rates for the same tip speed. A well proven mathematical model
was used to determine the optimum profile, compressor housing size, and compressor ports to achieve the superior compressors. |
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